25:
1051:
569:
337:
external ballistic performance over .224 inches (5.69 mm) caliber bullets. While several variations existed between early versions of these cartridges, the 6×45mm as we know it today became the standard version of the cartridge which is simply a necked up version of the .223 Remington without any further modifications or improvements made to it.
392:
The advantage of the 6×45 mm over the .223 Remington is that it is capable of being loaded with heavier bullets with better ballistic coefficient ratings than its parent cartridge, the .223 Remington. This results in less susceptibility to wind drift and better energy retention characteristics.
584:
Many countries and many U.S. states require a minimum of .24 caliber (6.1 mm) for hunting certain game species, such as deer. In such countries and states the 6×45mm would be legal for hunting as long as no further requirement regarding power, energy, or case length is stipulated. However, it
588:
The cartridge gained a following in South Africa where it was used to hunt small antelope and gazelle species such as duiker, impala, klipspringer, springbok and the
Thompson's gazelles. In North America it is capable of taking small predator species such as bobcats, coyotes and foxes. In many
336:
Soon after the release of the .223 Remington as a commercial cartridge, shooters began experimenting with the cartridge in an attempt to improve its performance. Several of these experimenters necked up the .223 Remington to 6mm as the .243 inches (6.17 mm) caliber bullets provided better
589:
European countries, it can be used for small goat and deer species such as the roe deer and chamois where legally permitted. For example, in the
Netherlands, rifle calibers in 6mm are allowed for roe deer if they retain a kinetic energy of at least 980 Joule at 100 meters.(Dutch)
575:
The cartridge maximum overall length is nominally given as 2.230-inch (56.6 mm), however, as the cartridge is a wildcat cartridge chamber dimensions may vary from manufacturer to manufacturer. For this reason overall length of the cartridge may vary.
353:
fraternity. Benchrest shooters soon took notice of the cartridge and began building custom rifles chambered for the cartridge. As a testament to the 6×45mm's accuracy, Jim Stekl, who at that time managed
Remington's custom shop and developer of the
658:
Shultz & Larsen of
Denmark offer the "Legacy" model. A light weight (2,65 kg / 5 lbs 13,5oz), miniature action, barrel swap rifle system. Calibers offered are .222 Rem (1/10" twist), .223 Rem (1/8" and 1/10" twist),
616:
and most bolt-action rifles chambered for the .223 Remington cartridge. The 6×45mm cartridge provides better down range performance than the .223 Remington or the 5.56 NATO cartridges. The cartridge is currently offered by
558:
The 6×45 mm is a wildcat cartridge and has not been standardized by any agency nor has it been offered a proprietary cartridge by any ammunition manufacturer. Some specialty rifle makers such as those that sell
358:
cartridge, scored an aggregate record of .3069 inches (7.80 mm) in the 1973 IBS 200 yard
Sporter category. However, its use in competitive shooting waned with the arrival of the
652:
612:
can easily be converted to the 6×45mm with a simple barrel swap with few or no further modifications to the rifle. This is also true for rifles such as Ruger's
563:
offer rifles chambered in this cartridge. Specifications for the cartridge are derived from the necked up parent cartridge without further improvement.
790:
758:
870:
1106:
373:
charge. This translates to excellent barrel life. The cartridge has very low recoil and muzzle blast which make it a pleasant cartridge to shoot.
1111:
1101:
829:
905:
Jagersvereniging en
Ministerie van Landbouw, Natuur & Visserij (hunters association and Ministry of Agriculture, Nature & Fishery)
900:
983:
384:. The availability of .223 cases, the ease of forming, and the light powder charge make for a very affordable shooting cartridge.
380:
since its inception. However, making cases from existing .223 Remington brass is as simple as running the case through a 6×45mm
1276:
901:"Welke geweren en munitietypen mogen gebruikt worden om te jagen (which guns and ammunition types are allowed for hunting)"
851:
632:
However, the cartridge's breakthrough was in the area of handgun hunting where it became very popular. The bolt-action
721:
596:
was developed for metallic silhouette shooting. While the cartridges are quite similar they are not interchangeable.
68:
46:
39:
1141:
976:
961:
796:
764:
1191:
629:
and a few other rifle manufacturers in their rifles as a regular factory chambering for a period of time.
568:
1281:
940:
878:
640:
handgun were chambered for the cartridge. It provided a flat-shooting cartridge capable of taking small
969:
622:
741:(Hardback). Vol. I (4th ed.). Grand Island, NE: Hornady Manufacturing Company. p. 107.
637:
376:
Since the cartridge was never commercially adopted by an ammunition manufacturer, it has remained a
821:
682:
33:
1013:
1217:
1196:
1161:
648:
593:
50:
893:
1018:
626:
309:
651:
began selling 6×45mm ammunition. They use standard .243 bullets weighing 85 and 100 gr.
8:
1186:
1136:
350:
1037:
1257:
1236:
717:
687:
377:
1032:
655:
also began to distribute AR-15 uppers and complete rifles chambered for the 6×45mm.
855:
633:
370:
991:
560:
1171:
1028:
993:
346:
313:
132:
663:
and .300 Whisper (1/7,5" twist). standard barrels are 510 mm / 20" long.
1270:
1231:
1156:
1096:
930:(7th ed.). Grand Island, NE: Hornady Manufacturing Company. p. 697.
763:(5th ed.). Sedalia, MO: Sierra Bullets. pp. 281–284. Archived from
104:
677:
1241:
1181:
1126:
672:
641:
207:
585:
should be considered a marginal cartridge for these game species at best.
1222:
1212:
1023:
381:
795:(5th ed.). Sedalia, MO: Sierra Bullets. p. 228. Archived from
1075:
1050:
320:
cartridge necked up to .243 (6mm). The cartridge is also known as the
1166:
1116:
609:
317:
952:
1227:
618:
1176:
1151:
1131:
1121:
1091:
1008:
613:
363:
359:
355:
605:
345:
The cartridge's inherent accuracy was a carry over from the
907:. Nederlandse Jagers Vereniging (Dutch Hunters Association)
369:
The cartridge is extremely efficient with its small
621:in an AR rifle. The cartridge had been offered by
545:
Values courtesy of the
Hornady Ballistic Calculator
442:.223 Remington 55 grains (3.6 g) Sierra FMJ-BT
1268:
716:(11th ed.). Gun Digest Books. p. 189.
592:An improved version of the cartridge called the
862:
712:Barnes, Frank C. (2006) . Skinner, Stan (ed.).
977:
707:
705:
703:
752:
750:
748:
366:cartridges on the benchrest shooting scene.
553:
493:6×45mm 90 grains (5.8 g) Sierra FMJ-BT
984:
970:
700:
877:. Intermedia Outdoors Inc. Archived from
745:
69:Learn how and when to remove this message
955:– Something new from Shultz & Larsen
782:
542:
32:This article includes a list of general
925:
739:Hornady Handbook of Cartridge Reloading
579:
349:which already had a loyal following in
1269:
852:"Cooper Firearms available cartridges"
832:from the original on 14 September 2010
736:
711:
340:
965:
943:– Thefirearmblog.com, 21 January 2010
868:
788:
756:
18:
13:
822:"A Hornady Ballistics Calculatorl"
38:it lacks sufficient corresponding
14:
1293:
1085:Based on .223 Remington/5.56 NATO
828:. Hornady Manufacturing Company.
1206:Based on .221 Remington Fireball
1049:
567:
535:1,100 ft⋅lbf (1,500 J)
532:1,202 ft⋅lbf (1,630 J)
529:1,312 ft⋅lbf (1,779 J)
526:1,430 ft⋅lbf (1,940 J)
523:1,565 ft⋅lbf (2,122 J)
478:1,047 ft⋅lbf (1,420 J)
475:1,181 ft⋅lbf (1,601 J)
472:1,330 ft⋅lbf (1,800 J)
449:3,300 ft/s (1,000 m/s)
294:1,560 ft⋅lbf (2,120 J)
283:1,565 ft⋅lbf (2,122 J)
272:1,495 ft⋅lbf (2,027 J)
261:1,400 ft⋅lbf (1,900 J)
23:
946:
934:
928:Handbook of Cartridge Reloading
538:918 ft⋅lbf (1,245 J)
515:2,123 ft/s (647 m/s)
464:2,269 ft/s (692 m/s)
16:Rimless, bottlenecked cartridge
1069:Based on .222 Remington Magnum
919:
844:
814:
730:
512:2,337 ft/s (712 m/s)
509:2,448 ft/s (746 m/s)
506:2,562 ft/s (781 m/s)
503:2,680 ft/s (820 m/s)
500:2,800 ft/s (850 m/s)
484:817 ft⋅lbf (1,108 J)
481:926 ft⋅lbf (1,255 J)
461:2,587 ft/s (789 m/s)
458:2,754 ft/s (839 m/s)
455:2,929 ft/s (893 m/s)
452:3,110 ft/s (950 m/s)
387:
291:2,650 ft/s (810 m/s)
280:2,800 ft/s (850 m/s)
269:2,900 ft/s (880 m/s)
258:3,000 ft/s (910 m/s)
1:
992:Cartridges derived from the
693:
487:629 ft⋅lbf (853 J)
926:Johnson, Steve, ed. (2007).
789:Mason, Charlyn, ed. (2003).
757:Mason, Charlyn, ed. (2003).
636:pistol and the break-action
7:
1277:Pistol and rifle cartridges
666:
599:
398:
395:
308:is a rimless, bottlenecked
190:0.045 in (1.1 mm)
182:0.378 in (9.6 mm)
174:0.377 in (9.6 mm)
166:0.354 in (9.0 mm)
158:0.272 in (6.9 mm)
10:
1298:
737:Georgi, Todd, ed. (1991).
331:
1254:
1205:
1192:7.62×40mm Wilson Tactical
1084:
1068:
1061:
1044:
1001:
638:Thompson/Center Contender
491:
440:
293:
288:100 gr (6 g) SP
282:
271:
260:
249:
246:
243:
239:
235:
231:
226:
218:
202:
198:1.76 in (45 mm)
194:
186:
178:
170:
162:
154:
146:
138:
128:
123:
115:
110:
101:Place of origin
100:
92:
85:
953:The Dansk Gevaer Journal
683:List of rifle cartridges
644:and small game species.
554:Cartridge Specifications
435:300 yd (270 m)
430:200 yd (180 m)
425:150 yd (140 m)
277:90 gr (6 g) SP
266:80 gr (5 g) SP
255:70 gr (5 g) SP
1014:.221 Remington Fireball
941:6x45mm makes a comeback
792:Sierra Reloading Manual
760:Sierra Reloading Manual
714:Cartridges of the World
420:100 yd (91 m)
53:more precise citations.
1218:.17 Remington Fireball
649:Black Hills Ammunition
415:50 yd (46 m)
163:Shoulder diameter
1019:.222 Remington Magnum
653:Sporting Products LLC
227:Ballistic performance
1142:.223 Ackley Improved
580:Hunting Applications
147:Bullet diameter
871:"A Modest Proposal"
858:on 26 October 2010.
341:General Information
142:Rimless, bottleneck
1282:Wildcat cartridges
996:or its derivatives
647:In February 2010,
351:benchrest shooting
187:Rim thickness
171:Base diameter
155:Neck diameter
111:Production history
1264:
1263:
1258:Wildcat cartridge
1250:
1249:
1237:.300 AAC Blackout
1062:Second generation
875:shootingtimes.com
869:Rodriguez, Greg.
802:on 5 October 2017
770:on 5 October 2017
688:Wildcat cartridge
661:6x45 (1/8" twist)
551:
550:
547:
378:wildcat cartridge
322:6mm-223 Remington
302:
301:
298:
297:
179:Rim diameter
79:
78:
71:
1289:
1187:7.62×37mm Musang
1137:5.56×21mm PINDAD
1066:
1065:
1053:
1002:First generation
986:
979:
972:
963:
962:
956:
950:
944:
938:
932:
931:
923:
917:
916:
914:
912:
897:
891:
890:
888:
886:
881:on 10 March 2010
866:
860:
859:
854:. Archived from
848:
842:
841:
839:
837:
818:
812:
811:
809:
807:
801:
786:
780:
779:
777:
775:
769:
754:
743:
742:
734:
728:
727:
709:
634:Remington XP-100
571:
543:
396:
244:Bullet mass/type
241:
240:
219:Primer type
195:Case length
129:Parent case
88:
83:
82:
74:
67:
63:
60:
54:
49:this article by
40:inline citations
27:
26:
19:
1297:
1296:
1292:
1291:
1290:
1288:
1287:
1286:
1267:
1266:
1265:
1260:
1246:
1201:
1080:
1057:
1054:
1042:
1038:5.6×50mm Magnum
997:
990:
960:
959:
951:
947:
939:
935:
924:
920:
910:
908:
899:
898:
894:
884:
882:
867:
863:
850:
849:
845:
835:
833:
820:
819:
815:
805:
803:
799:
787:
783:
773:
771:
767:
755:
746:
735:
731:
724:
710:
701:
696:
669:
602:
582:
556:
390:
343:
334:
211:
86:
75:
64:
58:
55:
45:Please help to
44:
28:
24:
17:
12:
11:
5:
1295:
1285:
1284:
1279:
1262:
1261:
1255:
1252:
1251:
1248:
1247:
1245:
1244:
1239:
1234:
1225:
1220:
1215:
1209:
1207:
1203:
1202:
1200:
1199:
1194:
1189:
1184:
1179:
1174:
1172:.277 Wolverine
1169:
1164:
1159:
1154:
1149:
1144:
1139:
1134:
1129:
1124:
1119:
1114:
1109:
1107:4.32x45mm SPIW
1104:
1099:
1094:
1088:
1086:
1082:
1081:
1079:
1078:
1072:
1070:
1063:
1059:
1058:
1056:
1055:
1048:
1045:
1043:
1041:
1040:
1035:
1033:5.56×45mm NATO
1029:.223 Remington
1026:
1021:
1016:
1011:
1005:
1003:
999:
998:
994:.222 Remington
989:
988:
981:
974:
966:
958:
957:
945:
933:
918:
892:
861:
843:
813:
781:
744:
729:
722:
698:
697:
695:
692:
691:
690:
685:
680:
675:
668:
665:
601:
598:
581:
578:
573:
572:
561:varmint rifles
555:
552:
549:
548:
540:
539:
536:
533:
530:
527:
524:
521:
517:
516:
513:
510:
507:
504:
501:
498:
495:
489:
488:
485:
482:
479:
476:
473:
470:
466:
465:
462:
459:
456:
453:
450:
447:
444:
438:
437:
432:
427:
422:
417:
412:
407:
402:
389:
386:
347:.222 Remington
342:
339:
333:
330:
314:.223 Remington
300:
299:
296:
295:
292:
289:
285:
284:
281:
278:
274:
273:
270:
267:
263:
262:
259:
256:
252:
251:
248:
245:
237:
236:
233:
232:
229:
228:
224:
223:
220:
216:
215:
214:(1.74 cm)
209:
204:
200:
199:
196:
192:
191:
188:
184:
183:
180:
176:
175:
172:
168:
167:
164:
160:
159:
156:
152:
151:
150:0.243 (6.2 mm)
148:
144:
143:
140:
139:Case type
136:
135:
133:.223 Remington
130:
126:
125:
124:Specifications
121:
120:
117:
113:
112:
108:
107:
102:
98:
97:
96:Rifle, Handgun
94:
90:
89:
77:
76:
59:September 2014
31:
29:
22:
15:
9:
6:
4:
3:
2:
1294:
1283:
1280:
1278:
1275:
1274:
1272:
1259:
1253:
1243:
1240:
1238:
1235:
1233:
1232:.300 Fireball
1229:
1226:
1224:
1221:
1219:
1216:
1214:
1211:
1210:
1208:
1204:
1198:
1195:
1193:
1190:
1188:
1185:
1183:
1180:
1178:
1175:
1173:
1170:
1168:
1165:
1163:
1160:
1158:
1157:.25-45 Sharps
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1138:
1135:
1133:
1130:
1128:
1125:
1123:
1120:
1118:
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1097:.17 Remington
1095:
1093:
1090:
1089:
1087:
1083:
1077:
1074:
1073:
1071:
1067:
1064:
1060:
1052:
1047:
1046:
1039:
1036:
1034:
1030:
1027:
1025:
1022:
1020:
1017:
1015:
1012:
1010:
1007:
1006:
1004:
1000:
995:
987:
982:
980:
975:
973:
968:
967:
964:
954:
949:
942:
937:
929:
922:
906:
902:
896:
880:
876:
872:
865:
857:
853:
847:
831:
827:
823:
817:
798:
794:
793:
785:
766:
762:
761:
753:
751:
749:
740:
733:
725:
723:0-89689-297-2
719:
715:
708:
706:
704:
699:
689:
686:
684:
681:
679:
676:
674:
671:
670:
664:
662:
656:
654:
650:
645:
643:
639:
635:
630:
628:
624:
620:
615:
611:
607:
597:
595:
590:
586:
577:
570:
566:
565:
564:
562:
546:
541:
537:
534:
531:
528:
525:
522:
519:
518:
514:
511:
508:
505:
502:
499:
496:
494:
490:
486:
483:
480:
477:
474:
471:
468:
467:
463:
460:
457:
454:
451:
448:
445:
443:
439:
436:
433:
431:
428:
426:
423:
421:
418:
416:
413:
411:
408:
406:
403:
401:
397:
394:
385:
383:
379:
374:
372:
367:
365:
361:
357:
352:
348:
338:
329:
327:
323:
319:
315:
312:based on the
311:
307:
290:
287:
286:
279:
276:
275:
268:
265:
264:
257:
254:
253:
242:
238:
234:
230:
225:
221:
217:
213:
205:
203:Case capacity
201:
197:
193:
189:
185:
181:
177:
173:
169:
165:
161:
157:
153:
149:
145:
141:
137:
134:
131:
127:
122:
118:
114:
109:
106:
105:United States
103:
99:
95:
91:
84:
81:
73:
70:
62:
52:
48:
42:
41:
35:
30:
21:
20:
1242:.338 Whisper
1182:.300 Whisper
1146:
1127:.20 Tactical
1112:4.7x45mm DAG
1102:4.3x45mm DAG
948:
936:
927:
921:
909:. Retrieved
904:
895:
885:11 September
883:. Retrieved
879:the original
874:
864:
856:the original
846:
836:11 September
834:. Retrieved
825:
816:
806:11 September
804:. Retrieved
797:the original
791:
784:
774:11 September
772:. Retrieved
765:the original
759:
738:
732:
713:
673:6 mm caliber
660:
657:
646:
631:
603:
591:
587:
583:
574:
557:
544:
492:
441:
434:
429:
424:
419:
414:
409:
404:
399:
391:
375:
368:
344:
335:
325:
321:
305:
303:
80:
65:
56:
37:
1223:.20 VarTarg
1213:.17 Mach IV
1024:.222 Rimmed
826:hornady.com
623:Cooper Arms
388:Performance
222:Small rifle
51:introducing
1271:Categories
1162:.25 Ugalde
1076:.204 Ruger
694:References
678:6×45mm SAW
206:26.9
34:references
1256:Note: =
1167:6.5mm TCU
1117:4.85x49mm
400:Cartridge
318:5.56 NATO
310:cartridge
1228:.300-221
830:Archived
800:(Binder)
768:(Binder)
667:See also
619:Les Baer
600:Firearms
594:6 mm TCU
497:Velocity
446:Velocity
405:Criteria
247:Velocity
116:Designed
1197:.30 TCU
1177:7mm TCU
1152:6mm TCU
1132:.22 TCM
1122:.19-223
1092:.17-223
1009:.14-222
614:Mini-14
364:6mm PPC
332:History
326:6mm/223
47:improve
1147:6×45mm
720:
627:Kimber
520:Energy
469:Energy
410:Muzzle
371:powder
360:6mm BR
356:.22 BR
306:6×45mm
250:Energy
87:6×45mm
36:, but
911:4 May
606:AR-15
913:2021
887:2010
838:2010
808:2010
776:2010
718:ISBN
642:deer
604:The
362:and
304:The
208:gr H
119:1965
93:Type
610:M16
382:die
324:or
316:or
1273::
903:.
873:.
824:.
747:^
702:^
625:,
328:.
1230:/
1031:/
985:e
978:t
971:v
915:.
889:.
840:.
810:.
778:.
726:.
608:/
212:O
210:2
72:)
66:(
61:)
57:(
43:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
